/// <summary>
/// Render a highlighting version of given node.
/// </summary>
/// <param name="camera"></param>
/// <param name="node"></param>
private void RenderNode(Camera camera, WayPoint.Node node)
{
bool asRoad = false;
RenderSphere(camera,
node.RenderPosition(asRoad),
CurrentRadius(),
CurrentColor());
}
/// <summary>
/// Find the correct position to add a node.
/// </summary>
/// <param name="camera"></param>
/// <param name="from"></param>
/// <returns></returns>
private Vector3 AddPosition(Camera camera, WayPoint.Node from)
{
bool asRoad = false;
float height = from.RenderPosition(asRoad).Z;
Vector3 hit = MouseEdit.FindAtHeight(camera, MouseInput.Position, height);
return(hit);
}
/// <summary>
/// Drag the current node/edge/path by mouse movement. Includes raise/lower
/// as well as horizontal drag.
/// </summary>
/// <param name="camera"></param>
private void DoDrag(Camera camera)
{
Vector3 delta = Vector3.Zero;
if (mode == Mode.Drag)
{
Vector3 oldPos = MouseEdit.FindAtHeight(camera, MouseInput.PrevPosition, height);
Vector3 newPos = MouseEdit.FindAtHeight(camera, MouseInput.Position, height);
delta = newPos - oldPos;
}
if (mode == Mode.Raise)
{
float dheight = MouseInput.Position.Y - MouseInput.PrevPosition.Y;
float kUpDownSpeed = -0.002f;
dheight *= kUpDownSpeed;
Vector3 dragPos = camera.ActualFrom;
bool asRoad = false;
if (node != null)
{
dragPos = node.RenderPosition(asRoad);
}
if (edge != null)
{
dragPos = (edge.Node0.RenderPosition(asRoad) + edge.Node1.RenderPosition(asRoad)) * 0.5f;
}
float dist = Vector3.Distance(dragPos, camera.ActualFrom);
dheight *= dist;
delta.Z = dheight;
}
if ((delta != Vector3.Zero) && (Path != null))
{
if (actOnPath)
{
MovePath(Path, delta);
}
else if (node != null)
{
MoveNode(node, delta);
}
else if (edge != null)
{
MoveEdge(edge, delta);
}
skeletonTimer = kSkeletonTime;
}
}
/// <summary>
/// Find the correct position to add a node.
/// </summary>
/// <param name="camera"></param>
/// <param name="from"></param>
/// <returns></returns>
private Vector3 AddPosition(Camera camera, WayPoint.Node from)
{
bool asRoad = false;
float height = from.RenderPosition(asRoad).Z;
Vector2 pos = Vector2.Zero;
TouchContact touch = TouchInput.GetOldestTouch();
if (touch != null)
{
pos = touch.position;
}
Vector3 hit = TouchEdit.FindAtHeight(camera, TouchInput.GetAsPoint(pos), height);
return(hit);
}
/// <summary>
/// Find the closest edge or node that we are moused-over.
/// Loops over all edges and nodes in the scene.
/// </summary>
/// <param name="camera"></param>
private void FindOver(Camera camera)
{
if (!ContinueMoving)
{
WayPoint.Path oldPath = Path;
Clear();
int pathCount = WayPoint.Paths.Count;
for (int iPath = 0; iPath < pathCount; ++iPath)
{
WayPoint.Path path = WayPoint.Paths[iPath];
int nodeCount = path.Nodes.Count;
for (int iNode = 0; iNode < nodeCount; ++iNode)
{
bool asRoad = false;
WayPoint.Node node = path.Nodes[iNode];
Vector3 pos = node.RenderPosition(asRoad);
CheckObject(camera, pos, node);
}
int edgeCount = path.Edges.Count;
for (int iEdge = 0; iEdge < edgeCount; ++iEdge)
{
bool asRoad = false;
WayPoint.Edge edge = path.Edges[iEdge];
Vector3 pos = (edge.Node0.RenderPosition(asRoad) + edge.Node1.RenderPosition(asRoad)) * 0.5f;
CheckObject(camera, pos, edge);
}
}
if ((oldPath != null) && (oldPath != Path))
{
oldPath.ClearEdit();
}
}
}
/// <summary>
/// Drag the current node/edge/path by mouse movement. Includes raise/lower
/// as well as horizontal drag.
/// </summary>
/// <param name="camera"></param>
private void DoDrag(Camera camera)
{
Vector2 pos = Vector2.Zero;
Vector2 prevPos = Vector2.Zero;
TouchContact touch = TouchInput.GetOldestTouch();
if (touch != null)
{
pos = touch.position;
prevPos = touch.previousPosition;
}
Vector3 newPosition = Vector3.Zero;
if (mode == Mode.Drag)
{
newPosition = TouchEdit.FindAtHeight(camera, TouchInput.GetAsPoint(TouchGestureManager.Get().DragGesture.DragPosition), height);
}
Vector3 delta = Vector3.Zero;
if (mode == Mode.Raise)
{
float dheight = MouseInput.Position.Y - MouseInput.PrevPosition.Y;
float kUpDownSpeed = -0.002f;
dheight *= kUpDownSpeed;
Vector3 dragPos = camera.ActualFrom;
bool asRoad = false;
if (node != null)
{
dragPos = node.RenderPosition(asRoad);
}
if (edge != null)
{
dragPos = (edge.Node0.RenderPosition(asRoad) + edge.Node1.RenderPosition(asRoad)) * 0.5f;
}
float dist = Vector3.Distance(dragPos, camera.ActualFrom);
dheight *= dist;
delta.Z = dheight;
}
if (newPosition != Vector3.Zero && Path != null)
{
if (actOnPath)
{
if (node != null)
{
Path.Translate(newPosition - node.Position);
}
else if (edge != null)
{
Path.Translate(newPosition - edge.HandlePosition);
}
}
else if (node != null)
{
node.Translate(newPosition - node.Position);
}
else if (edge != null)
{
edge.Translate(newPosition - edge.HandlePosition);
}
skeletonTimer = kSkeletonTime;
}
if ((delta != Vector3.Zero) && (Path != null))
{
if (actOnPath)
{
MovePath(Path, delta);
}
else if (node != null)
{
MoveNode(node, delta);
}
else if (edge != null)
{
MoveEdge(edge, delta);
}
skeletonTimer = kSkeletonTime;
}
}
